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JP2003125068

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Notice
This translation is machine-generated. It cannot be guaranteed that it is intelligible, accurate,
complete, reliable or fit for specific purposes. Critical decisions, such as commercially relevant or
financial decisions, should not be based on machine-translation output.
DESCRIPTION JP2003125068
[0001]
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a
vehicle communication device which enables front- and back-seats of vehicles and the like, and
conversation between outsiders and insiders by on-vehicle telephones.
[0002]
2. Description of the Related Art When the front and rear seats of a vehicle have a conversation,
when there is noise or music etc. flows from the in-car speaker, the driver of the front seat turned
to the front to drive the vehicle. Because it will remain, it is difficult to hear the contents of the
other's story. Because of that, we talk loudly and turn down the volume of music etc. On the
other hand, in a vehicle equipped with an in-vehicle telephone, voice is input using a hands-free
microphone when making a call, and the voice of the other party is output from the speaker, but
it is used for conversation between the front seat and the rear seat It was not.
[0003]
In the above-described conventional configuration, when the driver and the rear seat talk, the
driver can not concentrate on driving, and it is necessary to take time and effort to reduce the
volume of music etc. It was awkward. In addition, it was not possible to make a three-way call by
a plurality of persons, such as a speaker from outside the car, a front seat person and a rear seat
09-05-2019
1
person of the vehicle.
[0004]
Therefore, in view of the above problems, the present invention can use the hands-free
microphone of the on-vehicle telephone to make a loud voice during music playback or the like,
and enable conversation between front and rear seats without the need to lower the volume.
Furthermore, it is another object of the present invention to provide a vehicle call apparatus that
enables three-way communication between a speaker from outside the vehicle and a person
inside the vehicle.
[0005]
According to a first aspect of the present invention, there is provided an in-vehicle telephone
having a hands-free microphone installed in a front seat, and a vehicle having a front seat
speaker, the voice switching means and the rear seat microphone. And the rear seat speaker, the
voice input to the handsfree microphone is output from the rear seat speaker via the voice
switching means, and the voice input to the rear seat microphone is the front seat speaker via the
voice switching means Output from the
[0006]
In the invention according to claim 2, the rear seat microphone is connected to the in-vehicle
telephone, and the voice switching means outputs the voice of the outsider from the in-vehicle
phone from the front seat speaker and the rear seat speaker And it was made possible to make a
three-party call by the rear seater.
[0007]
According to the third aspect of the present invention, the rear seat microphone is a hands free
microphone.
[0008]
In the invention according to claim 4, the rear seat microphone is a microphone attached to a
handset for a rear seat of an on-vehicle telephone.
[0009]
In the invention according to claim 5, when the voice switching means outputs the voice of the
speaker inside and outside the vehicle from the front seat speaker or the rear seat speaker, the
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2
output for the front seat speaker other than the voice of the speaker or the rear seat speaker
When there is an output, the front seat speaker output or the rear seat speaker output is
provided with a silencing means for muting the output.
[0010]
In the invention according to claim 6, when the voice switching means outputs the voice of the
speaker inside and outside the vehicle from the front seat speaker or the rear seat speaker, the
output for the front seat speaker other than the voice of the speaker or the rear seat speaker
When there is an output, the front seat speaker output or the rear seat speaker output is reduced
in sound, and sound reduction means for mixing with the speaker's voice is provided.
[0011]
In the invention according to claim 7, the sound reduction means reduces the output for the front
seat speaker or the rear seat speaker when the front seat speaker output or the rear seat speaker
output exceeds a predetermined value. It was a thing.
[0012]
According to the first aspect of the present invention, the voice input from the handsfree
microphone installed in the front seat of the in-vehicle telephone is input from the speaker in the
rear seat and the microphone installed in the rear seat. Since the voice is output from the front
seat speaker, front and rear seats can talk using the front and rear microphones and speakers.
[0013]
According to the invention of claim 2, in the telephone with the outside of the vehicle, the voice
of the outsider is outputted from the front seat speaker and the rear seat speaker, and the voices
of the front and rear seats are outputted to the outsider from the on-vehicle phone. At the same
time, the voice of the front seat passenger is output from the rear seat speaker, and the voice of
the rear seat speaker is output from the front seat speaker, so that a three-party call can be made
by the front seat passenger, the rear seat passenger and the outside passenger in the car. be able
to.
[0014]
According to the third aspect of the present invention, the microphone on the rear seat is a
hands-free microphone, so that the rear seat can talk without having the microphone.
09-05-2019
3
[0015]
According to the fourth aspect of the present invention, since the microphone on the rear seat is
a microphone attached to the handset for the rear seat of the in-vehicle telephone, there is no
need to newly install a microphone for the rear seat passenger.
[0016]
According to the invention of claim 5, when the voice of the speaker is output from the front seat
speaker and the rear seat speaker, the voice output from the front seat speaker and the rear seat
speaker is reduced by muting the voice output other than the voice. Since only the voice of the
person is output, the voice of the speaker becomes easy to hear.
[0017]
According to the invention of claim 6, when the voice of the speaker is output from the front seat
speaker and the rear seat speaker, the voice output other than the voice is reduced and mixed
with the voice. Since the voice in which the voice is emphasized is output from the front seat
speaker and the rear seat speaker, the voice of the speaker becomes easy to hear.
[0018]
According to the invention of claim 7, even when the front seat speaker output and the rear seat
speaker output are less than the predetermined values, the voice of the speaker is mixed with the
front seat speaker output and the rear seat speaker output. Since the voice of the speaker can be
heard, there is no need to reduce the output for the front seat speaker and the output for the rear
seat speaker when the front seat speaker output and the rear seat speaker output are below
predetermined values, Can be saved.
[0019]
DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the embodiments of the invention will
be described by way of examples.
FIG. 1 is a diagram showing the configuration of the first embodiment.
The voice switching unit 5 is connected to the rear seat microphone 1, the rear seat microphone
switch 3, the handsfree telephone unit 6, the front seat handsfree microphone 2, the front seat
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4
microphone switch 4, and the front seat speaker 8 and the rear seat speaker 9 Connected
The front-seat hands-free microphone 2 is also connected to the hands-free telephone unit 6.
The sound switching unit 5 receives the front seat speaker output A and the rear seat speaker
output B from the audio device 7.
[0020]
The rear seat microphone 1 is a voice input microphone installed in the rear seat, for example, a
handsfree microphone installed in the rear seat ceiling, and voice input can be performed by the
rear seat microphone switch 3.
The voice input to the rear seat microphone 1 is output from the front seat speaker 8 via the
voice switching unit 5.
The front seat hands-free microphone 2 is a voice input microphone installed in the front seat,
and is installed, for example, in the ceiling of the front seat, and voice input can be performed by
the front seat microphone switch 4.
The voice input to the front seat hands-free microphone 2 is output from the rear seat speaker 9
via the voice switching unit 5.
[0021]
The voice switching unit 5 mutes the front seat speaker output A or the rear seat speaker output
B output from the audio device 7 by turning on the rear seat microphone switch 3 or the front
seat microphone switch 4, and The voice inputted from the seat microphone 1 or the front seat
hands free microphone 2 is outputted to the front seat speaker 8 or the rear seat speaker 9.
Further, the voice switching unit 5 receives an operation signal from the handsfree telephone
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5
unit 6, and when the voice of the outsider is input, the outside speaker inputted by the handsfree
telephone unit 6 mutes the front seat speaker output A. The voice of the front seat speaker 8 is
output.
The silencing procedure of the front seat speaker output A and the rear seat speaker output B
performed by the voice switching unit 5 will be described below.
[0022]
In step 100 showing voice control in the voice switching unit 5 when the front and rear seats talk
according to the flowchart of FIG. 2, the voice switching unit 5 determines whether the front seat
microphone switch 4 is on. Do.
If it is on, the process proceeds to step 101. If it is off, the process proceeds to step 111.
[0023]
In step 101, the voice switching unit 5 determines whether there is an output B for the rear seat
speaker from the audio device 7.
When there is the rear seat speaker output B, the process proceeds to 102, and when there is no
output B, the process proceeds to 103.
In step 102, the voice switching unit 5 mutes the rear seat speaker output B.
In step 103, the voice switching unit 5 outputs a sound for signaling the start of voice input via
the front seat speaker 8.
[0024]
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6
The front seat person receives a cue sound of the voice input start from the front seat speaker 8,
and inputs a voice from the front seat handsfree microphone 2 in step 104.
In step 105, the voice of the front seat person is output from the voice switching unit 5 through
the rear seat speaker 9.
In step 106, the voice switching unit 5 determines whether the front seat microphone switch 4 is
on. When the front seat microphone switch 4 is on, the process returns to step 104. When the
front seat microphone switch 4 is off, the process returns to step 100.
[0025]
In step 111, the voice switching unit 5 determines whether the rear seat microphone switch 3 is
on. When the rear seat microphone switch 3 is on, the process proceeds to step 112. When the
rear seat microphone switch 3 is off, the process returns to step 100. In step 112, the voice
switching unit 5 determines whether there is a front seat speaker output A from the audio device
7. If there is, the process goes to step 113; otherwise, the process goes to step 114. In step 113,
the voice switching unit 5 mutes the front seat speaker output A. In step 114, the sound
switching unit 5 outputs a sound for signaling the start of the sound input through the rear seat
speaker 9.
[0026]
The rear seat person receives the signal sound of the voice input start from the rear seat speaker
9, and inputs the voice from the rear seat microphone 1 in step 115. In step 116, the voice of the
rear seat person is output from the voice switching unit 5 through the front seat speaker 8. In
step 117, the voice switching unit 5 determines whether the rear seat microphone switch 3 is on.
When the rear seat microphone switch 3 is on, the process returns to step 115. When the rear
seat microphone switch 3 is off, the process returns to step 100.
[0027]
According to this embodiment, with the above configuration, the sound input from the front seat
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7
hands-free microphone 2 is output from the rear seat speaker 9, and the audio input from the
rear seat microphone 1 is output from the front seat speaker 8, When the apparatus 7 outputs
the front seat speaker output A and the rear seat speaker output B, the front seat speaker output
A and the rear seat output B are muted by the voice switching unit 5. As a result, only the voices
of the rear seater and the front seater are output from the front seat speaker 8 and the rear seat
speaker 9, so that the conversation between the front seat and the rear seat is not disturbed by
the output from the audio device 7. It becomes possible. Further, when a telephone call between
an outsider and a front seat person is made, the front seat speaker output A is muted by the voice
switching unit 5 and only the voice of the outside person is output from the front seat speaker 8.
I can hear the voice of the outsider.
[0028]
Steps 100 to 106 and steps 111 to 117 constitute the voice switching means in the present
invention, and in particular, steps 102 and 113 constitute the noise suppressing means in the
present invention.
[0029]
In the above description, although the sound switching unit 5 mutes the front seat speaker
output A and the rear seat speaker output B, as a modification, the voice switching unit 5 outputs
the front seat speaker output A and the rear seat speaker B The voice control in the case of
mixing the voice with the speaker will be described with reference to the flowcharts of FIGS.
[0030]
In step 300, the voice switching unit 5 determines whether the front seat microphone switch 4 is
on.
When the front seat microphone switch 4 is on, the process proceeds to step 301. When the
front seat microphone switch 4 is off, the process proceeds to step 311.
In step 301, it is determined in the voice switching unit 5 whether or not there is an output B for
the rear seat speaker from the audio device 7. When the output B for the rear seat speaker is
present, the process proceeds to 302, and when not present, the process proceeds to 303.
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8
[0031]
In step 302, the sound switching unit 5 reduces the noise for the rear seat speaker output B by,
for example, 10 db. In step 303, the sound switching unit 5 outputs a sound for signaling the
start of sound input via the front seat speaker 8. The front seat person receives a cue sound of
the voice input start from the front seat speaker 8, and inputs a voice from the front seat
handsfree microphone 2 in step 304. In step 305, the voice switching unit 5 mixes the voice
inputted from the front seat hands-free microphone 2 with the rear seat speaker output B whose
noise has been reduced. If it is determined in step 301 that there is no back seat speaker output
B, the process proceeds to step 306 without mixing.
[0032]
In step 306, the voice switching unit 5 mixes the voice of the front seat person with the reduced
rear seat speaker output B, or the voice of the front seat person when the rear seat speaker
output B does not exist. , And output through the rear seat speaker 9. In step 307, it is
determined in the voice switching unit 5 whether or not the front seat microphone switch 4 is on.
When the front seat microphone switch 4 is on, the process returns to step 304. When the front
seat microphone switch 4 is off, the process returns to step 300.
[0033]
In step 311, it is determined in the voice switching unit 5 whether the rear seat microphone
switch 3 is on. When the rear seat microphone switch 3 is on, the process proceeds to step 312.
When the rear seat microphone switch 3 is off, the process returns to step 300. In step 312, the
voice switching unit 5 determines whether there is a front seat speaker output A from the audio
device 7. When there is the front seat speaker output A, the process proceeds to 313, and when
there is no output A, the process proceeds to 314. In step 313, the sound switching unit 5
reduces the sound A for the front seat speaker A by, for example, 10 db.
[0034]
In step 314, the sound switching unit 5 outputs a sound for signaling the start of sound input via
the rear seat speaker 9. The rear seat person receives the signal sound of the voice input start
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9
from the rear seat speaker 9, and inputs the voice from the rear seat microphone 1 at step 315.
In step 316, the voice switching unit 5 mixes the voice input from the rear seat microphone 1
with the front seat speaker output A with reduced sound. If it is determined in step 312 that
there is no front seat speaker output A, the process proceeds to step 317 without mixing.
[0035]
In step 317, the voice switching unit 5 mixes the voice of the rear seat person with the reduced
front seat speaker output A, and when there is no front seat speaker output A in step 314, the
rear seat person Is output through the front seat speaker 8. In step 318, the voice switching unit
5 determines whether the rear seat microphone switch 3 is on. When the rear seat microphone
switch 3 is on, the process returns to step 315. When the rear seat microphone switch 3 is off,
the process returns to step 300.
[0036]
According to this embodiment, the above-mentioned configuration mixes the voice of the front
seat passenger with the output B for the rear seat speaker reduced in sound and the voice of the
rear seat passenger with the output A for the front seat speaker reduced in sound volume By
being outputted from the seat speaker 9 and the front seat speaker 8, a conversation between a
front seat person and a rear seat person can be made without being disturbed by the front seat
speaker output A and the rear seat speaker output B. The voice of the front seat passenger is
output from the front seat hands-free microphone 2 to the hands-free phone unit 6, and the voice
of the outsider output from the hands-free phone unit 6 is reduced by the voice switching unit 5
By being mixed with the seat speaker output A and output from the front seat speaker 8, the
front seat person can hear the voice of the outsider without being disturbed by the front seat
speaker output A, A telephone call with a seat can be made.
[0037]
Steps 300 to 307 and steps 311 to 318 constitute the voice switching means in the present
invention, and in particular, steps 302 and 313 constitute the sound reduction means in the
present invention. In the above description, the value for reducing the sound of the front seat
speaker output A and the rear seat speaker output B is reduced by 10 db, respectively, but the
value is not limited to this and a predetermined value may be set as appropriate.
09-05-2019
10
[0038]
The sound reduction is performed only when the front seat speaker output A and the rear seat
speaker output B are larger than a predetermined value, and when smaller than the
predetermined value, the sound reduction is not performed and mixing with the speaker's voice
is performed. You may only do it. Similarly, in the case of a telephone call, when the front seat
speaker output A is equal to or less than a predetermined value, the front seat speaker output A
is mixed with the voice of the outsider without reducing the sound and output to the front seat
speaker 8 May be Because the front seat speaker output A and the rear seat speaker output B are
small, the voice of the speaker is transmitted to the other party of the conversation without being
erased by the front seat speaker output A and the rear seat speaker B. It is.
[0039]
FIG. 5 is a diagram showing the configuration of the second embodiment. The rear seat
microphone switch 3 and the front seat microphone switch 4 are connected to the voice
switching unit 5, and the front seat speaker 8, the rear seat speaker 9, the front seat handsfree
microphone 2, the rear seat microphone 1 and the handsfree telephone unit 6 are connected Be
done. The front seat hands free microphone 2 and the rear seat microphone 1 are connected to
the hands free telephone unit 6, respectively. The sound switching unit 5 receives the front seat
speaker output A and the rear seat speaker output B from the audio device 7.
[0040]
The rear seat microphone 1 is a voice input microphone installed in the rear seat, and voice input
is enabled by the rear seat microphone switch 3, and the voice input to the rear seat microphone
1 is received from the front seat speaker 8 via the voice switching unit 5. It is output, and is also
output to the hands-free telephone unit 6 as an audio output. The front seat hands-free
microphone 2 is a voice input microphone installed in the front seat, and voice input is enabled
by the front seat microphone switch 4, and the voice input to the front seat hands free
microphone 2 is transmitted through the voice switching unit 5 It is outputted from the seat
speaker 9 and also outputted to the hands-free telephone unit 6 as an audio.
09-05-2019
11
[0041]
The voice switching unit 5 mutes the front seat speaker output A or the rear seat speaker output
B output from the audio device 7 by turning on the rear seat microphone switch 3 or the front
seat microphone switch 4, and The voice inputted from the seat microphone 1 or the front seat
hands free microphone 2 is outputted to the front seat speaker 8 or the rear seat speaker 9.
Further, the voice switching unit 5 receives an operation signal from the hands-free telephone
unit 6, and when voice of a person outside the vehicle is input, the front seat speaker output A
and the rear seat speaker output B output from the audio device 7 And mute the voice of the
outsider input from the handsfree telephone unit 6 to the front seat speaker 8 and the rear seat
speaker 9.
[0042]
With the above configuration, the sound input from the front seat hands-free microphone 2 is
output from the rear seat speaker 9, and the sound input from the rear seat microphone 1 is
output from the front seat speaker 8. When the audio device 7 has the front seat speaker output
A and the rear seat speaker output B, the front seat speaker output A and the rear seat speaker
output B are muted by the voice switching unit 5, thereby the front seat Conversation between
the person and the backseat is possible.
[0043]
When calling from outside the car, the voice switching unit 5 mutes the front seat speaker output
A and the rear seat speaker output B, and the front seat speaker 8 and the rear seat speaker 9
output only the voice of the outsider As a result, the front and rear seats can hear the voice of the
outsider, and a three-way call can be made by the outsider, the front and rear seats. The other
configuration and operation of the voice control in the voice switching unit 5 are the same as in
the first embodiment.
[0044]
As in the modification of the first embodiment, when the voice of the outsider is output from the
voice switching unit 5 to the front seat speaker 8 and the rear seat speaker 9, the reduced-output
09-05-2019
12
front seat speaker output A for the rear seat speaker The output B and the voice of the outsider
may be mixed and output to the front seat speaker 8 and the rear seat speaker 9. When the front
seat speaker output A and the rear seat speaker output B are less than a predetermined value,
the front seat speaker output A and the rear seat speaker output B are mixed with the voice of
the outsider without reducing the sound volume. The sound may be output to the speaker 8 and
the rear seat speaker 9.
[0045]
FIG. 6 is a diagram showing the configuration of the third embodiment. The voice switch unit 5 is
connected to the front seat microphone switch 4, the front seat speaker 8, the rear seat speaker
9, and the handsfree telephone unit 6. In addition, the front seat hands free microphone 2 is
connected to the voice switching unit 5 and the hands free telephone unit 6, and the back seat
handset 10 of the on-vehicle telephone is connected to the hands free telephone unit 6. The
sound switching unit 5 receives the front seat speaker output A and the rear seat speaker output
B from the audio device 7.
[0046]
The rear seat handset 10 has a voice input microphone for the rear seat, and the voice input to
the rear seat handset 10 is output to the handsfree telephone unit 6 to enable telephone
communication with the outside of the vehicle, and the voice switching unit 5 It is outputted from
the front seat speaker 8 via the front seat. The front seat hands free microphone 2 is a voice
input microphone installed in the front seat, and voice input becomes possible by the front seat
microphone switch 4, and the voice input to the front seat hands free microphone 2 is a hands
free telephone unit 6 , And the telephone call with the outside of the vehicle becomes possible,
and is further outputted from the rear seat speaker 9 through the voice switching unit 5.
[0047]
When the front seat microphone switch 4 is turned on, the voice switching unit 5 mutes the rear
seat speaker output B output from the audio device 7, and the voice input from the front seat
handsfree microphone 2 is used as the rear seat speaker. Output to 9 Further, when an operation
signal is input to the voice switching unit 5 from the back seat handset 10 through the handsfree
telephone unit 6 and there is a voice input, the front seat speaker output A is muted and the back
09-05-2019
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seat handset 10 The input voice is output to the front seat speaker 8.
[0048]
The voice switching unit 5 receives an operation signal from the hands-free telephone unit 6 and
mutes the front seat speaker output A and the rear seat speaker output B when the voice of a
person outside the vehicle is input, and the voice of the person outside the vehicle Are outputted
to the front seat speaker 8 and the rear seat speaker 9.
[0049]
According to this embodiment, with the above configuration, the sound input from the front seat
hands-free microphone 2 is output from the rear seat speaker 9 and the sound input from the
rear seat handset 10 is output from the front seat speaker 8 The voice of the telephone from is
output from the front seat speaker 8 and the rear seat speaker 9 via the voice switching unit 5.
Furthermore, when there are front seat speaker output A and rear seat speaker output B from the
audio device 7, the front seat speaker output A and rear seat speaker output B are muted by the
voice switching unit 5, thereby the front A three-way call can be made by the conversation
between the seat and the rear seat and the outside of the car. The other configuration and
operation of the voice control in the voice switching unit 5 are the same as in the first
embodiment.
[0050]
In the above embodiments, the front seat speaker 8 for the front seat passenger is one, but a
plurality of driver seat speakers and front passenger seat speakers may be provided, and a rear
seat speaker for the rear seat passenger may be provided. The same applies to 9). In the first and
second embodiments, although the rear seat microphone 1 is a handsfree microphone, for
example, a microphone switch is attached to the microphone and provided on a rear seat ceiling
or the like, and voice input is performed. The microphone may be removed from the installation
location and voice input may be made.
[0051]
Brief description of the drawings
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14
[0052]
1 is a diagram showing a first embodiment of the present invention.
[0053]
2 is a flowchart at the time of voice input and output in the voice switching unit.
[0054]
3 is a flowchart at the time of voice input and output in the modified example of FIG.
[0055]
4 is a flowchart at the time of voice input and output in the modified example.
[0056]
5 is a diagram showing a second embodiment of the present invention.
[0057]
6 is a diagram showing a third embodiment of the present invention.
[0058]
Explanation of sign
[0059]
1 rear seat microphone 2 front seat hands free microphone 3 rear seat microphone switch 4
front seat microphone switch 5 voice switching unit 6 hands free telephone unit 7 audio device 8
front seat speaker 9 rear seat speaker 10 rear seat handset A front seat speaker output B Rear
Speaker Output
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